Sinovac Life Sciences Co., Ltd., Fudan University, Fudan University - Key Laboratory of Public Health Safety, Hebei Provincial Center for Disease Control and Prevention, Chinese Center for Disease Control and Prevention (China CDC) - Jiangsu Provincial Center for Disease Control and Prevention, affiliation not provided to SSRN, affiliation not provided to SSRN, affiliation not provided to SSRN, Fudan University, affiliation not provided to SSRN, Hebei Provincial Center for Disease Control and Prevention, Hebei Provincial Center for Disease Control and Prevention, Chinese Center for Disease Control and Prevention (China CDC) - Jiangsu Provincial Center for Disease Control and Prevention, Fudan University - Key Laboratory of Public Health SafetyFudan University - Shanghai Institute of Infectious Disease and Biosecurity and Sinovac Life Sciences Co., Ltd.

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